Haleciidae Hincks, 1868
Halecium amphibolum Watson, 1993
Halecium annulatum Torrey, 1902
Halecium antarcticum Vanhöffen, 1910
Halecium arcticum Ronowicz & Schuchert, 2007
Halecium articulosum Clark, 1875
Halecium banyulense Motz-Kossowska, 1912
Halecium banzare Watson, 2008a
Halecium beanii (Johnston, 1838)
Halecium bermudense Congdon, 1907
Halecium birulai Spassky, 1929
Halecium bithecum Watson, 2005
Halecium brashnikowi Linko, 1911
Halecium brevithecum Watson, 2008a
Halecium bruniensis Watson, 1975
Halecium buchananae Blackburn, 1937
Halecium calderi Galea, 2010b
Halecium capillare (Pourtalès, 1869)
Halecium conicum Stechow, 1919
Halecium corrugatissimum Trebilcock, 1928
Halecium corrugatum Nutting, 1899
Halecium crinis Stechow, 1913
Halecium curvicaule Lorenz, 1886
Halecium cymiforme Allman, 1888
Halecium cymosum Fraser, 1935
Halecium delicatulum Coughtrey, 1876
Halecium densum Calkins, 1899
Halecium dichotomum Allman, 1888
Halecium diminutivum Fraser, 1940
Halecium dubium Fraser, 1943
Halecium dufresnae Millard, 1977
Halecium dyssymetrum Billard, 1929
Halecium dysymmetrum Billard, 1929
Halecium elegantulum Watson, 2008a
Halecium exiguum Fraser, 1948
Halecium expansum Trebilcock, 1928
Halecium fasciculatum Fraser, 1938
Halecium filicula Allman, 1877
Halecium fjordlandicum Galea, 2007
Halecium flabellatum Fraser, 1935
Halecium flexum Fraser, 1948
Halecium fragile Hodgson, 1950
Halecium fraseri Ralph, 1958
Halecium frigidum Peña Cantero, 2010
Halecium fruticosum Fraser, 1943
Halecium galeatum Billard, 1937
Halecium groenlandicum Kramp, 1911
Halecium halecinum (Linnaeus, 1758)
Halecium harrimani Nutting, 1901
Halecium humile Pictet, 1893
Halecium incertus Naumov & Stepanjants, 1962
Halecium inhacae Millard, 1958
Halecium insolens Fraser, 1938
Halecium interpolatum Ritchie, 1907
Halecium irregulare Bonnevie, 1899
Halecium jaederholmi Vervoort, 1972
Halecium kofoidi Torrey, 1902
Halecium labiatum Billard, 1933
Halecium labrosum Alder, 1859
Halecium laeve Kramp, 1932
Halecium lankesterii (Bourne, 1890)
Halecium lenticulare Trebilcock, 1928
Halecium lightbourni Calder, 1991
Halecium linkoi Antsulevich, 1980
Halecium liouvillei Billard, 1934
Halecium lucium Antsulevich, 1979
Halecium luteum Watson, 1975
Halecium macrocaulus Watson, 2008a
Halecium macrocephalum Allman, 1877
Halecium magellanicum Hartlaub, 1905
Halecium marsupiale Bergh, 1887
Halecium mediterraneum Weismann, 1883
Halecium minimum Schneider, 1898
Halecium minor Fraser, 1935
Halecium minutum Broch, 1903
Halecium mirabile Schydlowsky, 1902
Halecium mirandus Antsulevich & Regel, 1986
Halecium muricatum (Ellis & Solander, 1786)
Halecium nanum Alder, 1859
Halecium nullinodum Fraser, 1935
Halecium ochotense Linko, 1911
Halecium ornatum Nutting, 1901
Halecium ovalum (Totton, 1930)
Halecium ovatum Totton, 1930
Halecium pallens Jäderholm, 1904
Halecium paucinodum (Fraser, 1947)
Halecium pearsonenese Watson, 1997
Halecium pearsonense Watson, 1997
Halecium perexiguum Hirohito, 1995
Halecium petrosum Stechow, 1919
Halecium planum Bonnevie, 1901
Halecium plicatocarpum Vervoort & Watson, 2003
Halecium plumosum Hincks, 1868
Halecium profundum Calder & Vervoort, 1998
Halecium pusillum Sars, 1856
Halecium pyriforme Hirohito, 1995
Halecium ralpha Watson & Vervoort, 2001
Halecium ralphae Watson & Vervoort, 2001
Halecium reduplicatum (Fraser, 1935)
Halecium regulare Fraser, 1938
Halecium repens Jäderholm, 1907
Halecium reversum Nutting, 1901
Halecium scalariformis Billard, 1929
Halecium scutum Clark, 1976
Halecium secundum Jäderholm, 1904
Halecium sessile Norman, 1866
Halecium sibogae Billard, 1929
Halecium singulare (Billard, 1929)
Halecium spatulum Watson, 2000
Halecium speciosum Nutting, 1901
Halecium tabulatum Watson, 2005
Halecium telescopicum Allman, 1888
Halecium tenellum Hincks, 1861
Halecium tensum Fraser, 1943
Halecium tenue Fraser, 1938
Halecium textum Kramp, 1911
Halecium tortile Bonnevie, 1898
Halecium tortum Fraser, 1938
Halecium tubatum Watson, 2008a
Halecium undulatum Billard, 1921
Halecium vagans Fraser, 1938
Halecium vasiforme Fraser, 1935
Halecium washingtoni Nutting, 1901
Halecium wilsoni Calkins, 1899